Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:18:06 2012

Optimize a model with 46349 rows, 42642 columns and 180660 nonzeros
Presolve removed 826 rows and 2 columns
Presolve time: 1.22s
Presolved: 45729 rows, 42640 columns, 220594 nonzeros
Variable types: 0 continuous, 42640 integer (42640 binary)
Found heuristic solution: objective 206.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   32293    3.0000797e+00   5.821231e+01   0.000000e+00      5s
   38467    3.0000863e+00   1.029202e+01   0.000000e+00     10s
   43003    3.0000912e+00   1.500000e+02   0.000000e+00     15s
   45414    3.0000000e+00   0.000000e+00   0.000000e+00     18s

Root relaxation: objective 3.000000e+00, 45414 iterations, 17.63 seconds
Total elapsed time = 37.51s
Total elapsed time = 42.73s

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

*    0     0               0       3.0000000    3.00000   0.0%     -   43s

Explored 0 nodes (102178 simplex iterations) in 43.94 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%